Here you will find articles and tutorials relating to Microsoft Access query designs, from planning what tables and fields will be used to selecting criteria to be applied. There is also information on query optimization and using calculations within the query.
Hopefully you will find something of interest, whether you need to limit results of the query by applying simple criteria to designing expressions to calculate data on the fly.
SQL
Query Tree Editor for Microsoft Access
An indispensable MS Access add-in for developers who use queries as
the core of their applications. Create queries using SQL templates,
edit your SQL queries in a superior query editor. Keep track of the
dependency relations between queries. Free trial.
111 Power Access Queries/SQL Examples
Are
you mining all the nuggets out of your goldmine? Are you asking your
database questions tough enough to extract all the pertinent information
for your business? Do you want to push the envelope and create some
esoteric yet powerful queries? Here are 70+ challenging query examples
all employing advanced techniques based mostly on the tables in the
Northwind database which comes with Microsoft Access.
Built-in Access functions, query parameters, derived tables, self-joins, unequal joins, cross joins and correlated subqueries can make synergistic combinations, enabling you to build compact, powerful, and reusable queries.
Take your query building skills to the next level and impress your boss and/or colleagues. You will also find the query examples suitable to use as teaching material for an advanced Access class. Profit from these expert query techniques now. This product requires Microsoft Access 2000 or higher.
Guidelines followed in constructing the query examples: